/* EUshop — sdílené komponenty (formuláře, tlačítka, tabulky, typografie) */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  line-height: var(--leading-tight);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--heading-color, var(--text));
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); margin-top: var(--space-8); }
h3 { font-size: var(--text-xl); margin-top: var(--space-6); }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

a:hover { color: var(--link-hover); }

/* Odkazy v navigaci / tmavém pozadí — bez modré barvy */
.nav-link,
.sidebar-link {
  color: inherit;
  text-decoration: none;
}

.nav-link:hover,
.sidebar-link:hover {
  color: inherit;
  opacity: 0.85;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-4) 0;
}

.table-scroll .data-table {
  margin: 0;
  min-width: 32rem;
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-header h1 {
  margin-bottom: var(--space-2);
}

.page-lead,
.slogan {
  font-size: var(--text-lg);
  color: var(--text-muted);
  margin: 0;
  max-width: 42rem;
}

/* Karty a panely */
.card,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card + .card,
.panel + .panel {
  margin-top: var(--space-4);
}

/* Tlačítka */
.btn,
button[type="submit"]:not(.theme-toggle):not(.icon-btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--input-height);
  padding: 0 var(--space-5);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn,
button[type="submit"]:not(.theme-toggle):not(.icon-btn):not(.danger):not(.btn-secondary):not(.btn-ghost) {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    color-mix(in srgb, var(--color-primary) 75%, var(--color-accent)) 100%
  );
  color: var(--color-on-primary) !important;
  border-color: transparent;
  box-shadow: var(--shadow-btn);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn:hover,
button[type="submit"]:not(.theme-toggle):not(.icon-btn):not(.danger):not(.btn-secondary):not(.btn-ghost):hover {
  background: linear-gradient(
    135deg,
    var(--color-primary-hover) 0%,
    color-mix(in srgb, var(--color-primary-hover) 75%, var(--color-accent)) 100%
  );
  border-color: transparent;
  color: var(--color-on-primary) !important;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active,
button[type="submit"]:not(.theme-toggle):not(.icon-btn):active {
  transform: translateY(0);
}

.btn:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text) !important;
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text) !important;
}

.btn-ghost {
  background: transparent;
  color: var(--text) !important;
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--surface-hover);
}

.btn-sm,
.btn-sm[type="submit"] {
  min-height: var(--input-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
}

.btn-block { width: 100%; }

.danger,
button.danger {
  background: var(--color-danger) !important;
  border-color: var(--color-danger) !important;
  color: #fff !important;
}

.danger:hover {
  background: var(--color-danger-hover) !important;
  border-color: var(--color-danger-hover) !important;
}

/* Formuláře */
.form {
  max-width: 36rem;
}

.form-wide {
  max-width: 56rem;
}

.settings-form.form-wide {
  max-width: 72rem;
}

.form label,
.field {
  display: block;
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  line-height: var(--leading-normal);
}

.form label:last-child,
.field:last-child {
  margin-bottom: 0;
}

.form .field-hint {
  display: block;
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-2);
  line-height: var(--leading-relaxed);
}

.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"]),
.form textarea,
.form select,
.input,
.admin-content input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="hidden"]):not([type="file"]),
.admin-content textarea,
.admin-content select,
.login-page input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="hidden"]),
.login-page textarea,
.login-page select,
.shop-shell input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="hidden"]):not([type="file"]),
.shop-shell textarea,
.shop-shell select {
  display: block;
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--input-padding-y) var(--input-padding-x);
  font-family: inherit;
  font-size: var(--input-font-size);
  line-height: var(--input-line-height);
  color: var(--input-text, var(--text));
  background-color: var(--input-bg, var(--surface));
  border: 1.5px solid var(--input-border, var(--border-strong));
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
  box-shadow: var(--shadow-xs);
  appearance: none;
}

.form select,
.admin-content select,
.shop-shell select {
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 1rem;
  cursor: pointer;
}

.form textarea,
.admin-content textarea,
.shop-shell textarea {
  min-height: 9.5rem;
  padding-top: calc(var(--input-padding-y) + 0.0625rem);
  padding-bottom: calc(var(--input-padding-y) + 0.0625rem);
  resize: vertical;
}

.form input:not([type="checkbox"]):not([type="radio"]):focus,
.form textarea:focus,
.form select:focus,
.input:focus,
.admin-content input:not([type="checkbox"]):not([type="radio"]):focus,
.admin-content textarea:focus,
.admin-content select:focus,
.shop-shell input:not([type="checkbox"]):not([type="radio"]):focus,
.shop-shell textarea:focus,
.shop-shell select:focus {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
  outline: none;
  background-color: var(--input-bg, var(--surface));
}

.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"])::placeholder,
.form textarea::placeholder {
  color: var(--text-subtle);
  opacity: 1;
}

.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"]):-webkit-autofill,
.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"]):-webkit-autofill:hover,
.form input:not([type="checkbox"]):not([type="radio"]):not([type="color"]):not([type="file"]):-webkit-autofill:focus,
.form textarea:-webkit-autofill,
.form textarea:-webkit-autofill:hover,
.form textarea:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--input-text, var(--text)) !important;
  caret-color: var(--input-text, var(--text));
  box-shadow: 0 0 0 1000px var(--input-bg, var(--surface)) inset !important;
  border-color: var(--input-border, var(--border-strong));
  transition: background-color 99999s ease-out 0s;
}

.form input[type="color"] {
  width: 4rem;
  height: 2.75rem;
  padding: var(--space-1);
  margin-top: var(--space-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--surface);
}

.form input[type="file"] {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  min-height: auto;
  padding: var(--space-3) 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

/* duplicate focus block removed — merged above */

.form .checkbox-label,
.form label:has(input[type="checkbox"]) {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-weight: 400;
  cursor: pointer;
}

.form .checkbox-label input[type="checkbox"],
.form label:has(input[type="checkbox"]) input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.form .checkbox-label a {
  color: var(--link);
}

.form-section {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
  margin-bottom: var(--space-4);
}

.form-section h2 {
  margin-top: 0;
  font-size: var(--text-lg);
  color: var(--text);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.form.inline,
.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-end;
  max-width: none;
}

.form.inline label,
.form-inline label {
  margin-bottom: 0;
  flex: 1 1 12rem;
}

.form.inline button,
.form-inline button {
  margin-top: 0;
}

.form-inline-only {
  display: inline;
}

/* Tabulky */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-4) 0;
  font-size: var(--text-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table th {
  background: var(--bg-subtle);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: var(--surface-hover);
}

.data-table .actions {
  white-space: nowrap;
}

/* Statistiky */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), color-mix(in srgb, var(--color-accent) 60%, var(--color-primary)));
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}

.stat-sub {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.dashboard-analytics-hint {
  margin-bottom: var(--space-6);
  max-width: 42rem;
}

/* Filtry / tagy */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-pill,
.cat-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.filter-pill:hover,
.cat-pill:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
}

.filter-pill.active,
.cat-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.filter-pill.active:hover,
.cat-pill.active:hover {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
}

/* Upozornění */
.alert,
.error-msg {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.error,
.error-msg {
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border: 1px solid color-mix(in srgb, var(--color-danger) 25%, transparent);
}

.alert-info {
  color: var(--text);
  background: var(--color-primary-subtle);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.alert-success {
  color: var(--color-success);
  background: var(--color-success-bg);
  border: 1px solid color-mix(in srgb, var(--color-success) 25%, transparent);
}

.product-stock-hint {
  margin: 0.25rem 0 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.flash {
  scroll-margin-top: 5rem;
}

.alert-muted {
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
}

/* Statické stránky (CMS obsah) */
.static-page {
  max-width: 42rem;
  line-height: var(--leading-relaxed);
}

.static-page h2,
.static-page h3 {
  margin-top: var(--space-8);
  color: var(--text);
}

.static-page ul,
.static-page ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.static-page li {
  margin-bottom: var(--space-2);
}

.static-page a {
  color: var(--link);
}

/* Sdílený formátovaný obsah (CMS, právní texty) */
.static-prose {
  max-width: 46rem;
  line-height: var(--leading-relaxed);
  color: var(--text);
}

.static-prose > :first-child {
  margin-top: 0;
}

.static-prose > :last-child {
  margin-bottom: 0;
}

.static-prose h2,
.static-prose h3 {
  margin-top: var(--space-8);
  color: var(--text);
}

.static-prose h2:first-child,
.static-prose h3:first-child {
  margin-top: 0;
}

.static-prose ul,
.static-prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.static-prose li {
  margin-bottom: var(--space-2);
}

.static-prose a {
  color: var(--link);
}

/* Seznamy v adminu */
.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.link-list a {
  display: block;
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  color: var(--text);
  transition: background var(--transition), border-color var(--transition);
}

.link-list a:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
}

/* Téma */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text);
  font-size: var(--text-base);
  transition: background var(--transition);
}

.theme-toggle:hover {
  background: var(--surface-hover);
}

.empty-state {
  padding: var(--space-10);
  text-align: center;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

.thumb {
  width: 3rem;
  height: 3rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shipping-option,
.payment-option {
  padding: var(--space-5);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.shipping-option:hover,
.payment-option:hover {
  border-color: color-mix(in srgb, var(--color-primary) 30%, var(--border));
}

.shipping-option:has(input:checked),
.payment-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
  box-shadow: var(--shadow-sm);
}

.shipping-option input[type="radio"],
.payment-option input[type="radio"] {
  margin-top: 0.2rem;
}

.admin-form-grid {
  display: grid;
  gap: var(--space-6);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toggle-row input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
}

@media (max-width: 640px) {
  h1 { font-size: var(--text-2xl); }

  .container {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .form.inline,
  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .form-wide label input,
  .form-wide label textarea,
  .form-wide label select {
    width: 100%;
  }
}